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I have a problem with my engine light and the code has come

Customer Question
back Bank 1 Sensor 1...
I have a problem with my engine light and the code has come back Bank 1 Sensor 1 Air fuel oxygen sensor. I have purchased no less then 3 which all seem to last about a day and a half then the light comes back on. I pull them out and they are black as can be. I put a new Denso Mass air flo sensor in it and still the same code? This is expensive, any ideas?
JA: Have you located all of the vehicle's oxygen sensors? Are the wires leading to and from each intact and in good shape?
Customer: yes mam.
JA: What is the make/model/year of your car?
Customer: The number on this last sensor is 89467-33030 2004 Toyota Avalon XLS
JA: Are you fixing your Avalon yourself? What have you tried so far?
Customer: 3 now 4 Denso Bank 1 Sensor 1 Air fuel Oxygen sensor and 1 Denso Mass air flo sensor
JA: Anything else you want the mechanic to know before I connect you?
Customer: I have taken it to my shop (Shoemakers Auto Repair in Kalamazoo, Mich) 2 times at 160.00 per time. The last one I did myself and not sure about this last one. It only took me about 1/2 hr. and saved a lot of money as I'm on a fixed income. My fuel mileage has decreased appreciably
Submitted: 1 month ago.Category: Toyota
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Answered in 2 minutes by:
11/14/2017
Toyota Mechanic: Ron Z., - Toyota Tech - replied 1 month ago
Ron Z.
Ron Z., - Toyota Tech -
Category: Toyota
Satisfied Customers: 19,215
Experience: 18+yrs experience. State Inspector and Toyota Diagnostics
Verified

Hi! Welcome to JustAnswer. Thanks for coming! I'm Ron and I'll be working with you on your question today.

The A/F Sensor you have replaced, was it on the side of the engine closest to the front of the vehicle?

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Customer reply replied 1 month ago
On the back of the engine by the firewall
Toyota Mechanic: Ron Z., - Toyota Tech - replied 1 month ago

Ok. Great. Please give me one moment to type out some info for you. Sit tight one minute... I'll be right back!

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Customer reply replied 1 month ago
How Much is this going to cost me a total I’m on a fixed income
Toyota Mechanic: Ron Z., - Toyota Tech - replied 1 month ago

My apologies. There are only a handful of Techs that take phone calls. Unfortunately, I am not one. If you'd like, we can continue here in Q&A chat and I can provide you with the information and help you need, and I can handle any follow-ups you may have. If you'd rather wait for a phone call, please standby until an available Tech can take your call.

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Customer reply replied 1 month ago
How long will it be, and is it worth the money? How much in total will this cost me?
Toyota Mechanic: Ron Z., - Toyota Tech - replied 1 month ago

Unfortunately, I have no control over billing what so ever. If you have a billing/price question, you will need to contact customer service. There is a link at the bottom of the page. Shouldn't be long for a phone call. There are a few Techs online that take calls now. Sit tight one moment... the next available Tech will be right with you.

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Customer reply replied 1 month ago
I need to proceed as inexpensively as possible. So how much?
Toyota Mechanic: Ron Z., - Toyota Tech - replied 1 month ago

Unfortunately, I have no control over billing what so ever. If you have a billing/price question, you will need to contact customer service. There is a link at the bottom of the page. Shouldn't be long for a phone call. There are a few Techs online that take calls now. Sit tight one moment... the next available Tech will be right with you.

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Customer reply replied 1 month ago
Please cancel the call
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Chris (aka-Moose)
Chris (aka-Moose)
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